.Dd Jun 12, 2017
.Dt AUMIX 1
.Os
.Sh NAME
.Nm aumix
.Nd mix multiple Au formatted streams
.Sh SYNOPSIS
.Nm
.Op Fl at
.Op Fl C Ar command
.Op Fl e Ar encoding
.Op Fl f Ar file-descriptors
.Op Fl o Ar file
.Op Ar file ...
.Sh DESCRIPTION
Mix the specified Au formatted input streams.  If no input streams are
specified then copy the standard input to the standard output.
.Pp
The arguments are as follows:
.Bl -tag -width Ds
.It Fl C Ar command
Execute
.Ar command
with
.Xr popen 3
and add it's standard output to the list of input streams.
.It Fl a
Set the mixing mode to average, overriding any previous
.Fl t
options.
.Pp The default mode is to truncate
.It Fl e Ar encoding
Override the encoding, normally the encoding of the first input stream.
.It Fl f Ar file-descriptors
Add the specified fire-descriptors to the list of input streams.
.It Fl o Ar file
Open
.Ar file
with
.Xr auopen 1
and add it's standard output to the list of input streams.
.It Fl t
Set the mixing mode to truncate, overriding any previous
.Fl a
options.
.Pp The default mode is to truncate
.It Ar file
Add
.Ar file ,
or the standard input in the case of
.Qq - ,
to the list of input streams.
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr au 7
.Xr auopen 1
.Xr autone 1
